[Elecraft] K2 filter attenuation

[Vic Rosenthal]

Rich Lentz wrote:
> 
> Back to the original subject -
> 
> I also hear and see (with spectrogram) a noticeable drop in signal (in
> excess of 10 db) on the narrowest filter. 

<snip>

> As the first question in this thread "Any suggestions?"

Triple check the number of turns on both windings of T7.  The current K2 manual
calls for the 3-4 winding to have 20t and the 1-2 winding to have 5t.  I had a
similar symptom in my K2 early on and found I had miscounted the turns on one of
the windings.

73
Vic K2VCO